OpenTechnical

OT-2026-000099548

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000099548) never changes.

Identity and time

Publication numberOT-2026-000099548 · never reused
Internal UUID01a0aea2-c975-7674-8924-bd62839d188d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099548
StatusPUBLIC

Content hashes

Canonical text7f88cf9e36fabf532d5391a18136c84e620a2af3bf133dbffa1267fcd34e1d23
Markdownb2418896e30a8a11ac6d072d8f3c6feb011c13886f4a5d1f13792b1255c93192
PDF
Publication pagec89f4e032992e01fdde48b7ba3322589964a968b4b4d40432984fbf89a36d615
Manifest88b7ef7302f1d77db8bae535c4112d4dd5c3beab16d582f78d70d4fa798a4ae5

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturewqDPNQ8hfiC3w+OY2E3jkcme2C96zhK0i30CTJ8Y/rXcA+8QS3+iMRtW8xIES5r40sfznw+7iqg9mBDF42xXAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:27.280616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099548
observed c89f4e032992e01fdde48b7ba3322589...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:27.263831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099548/manifest.json
observed 88b7ef7302f1d77db8bae535c4112d4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:27.244016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099548/publication.md
observed b2418896e30a8a11ac6d072d8f3c6feb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:27.224429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099548/publication.txt
observed 7f88cf9e36fabf532d5391a18136c84e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.